Drive Connectors: Toshiba SD-M1612 DVD-ROM User's Guide

Power Connector

Power is supplied to your DVD-ROM by the connection with your computer's +12V/+5V power cable to the power socket at the back of drive. One side of the plug has chamfered edges, so the power connector fits only one way.

INTERFACE PIN ASSIGNMENT
PIN NO.	I/O	SIGNAL NAME	HOST SIGNAL NAME	PIN NO.	I/O	SIGNAL NAME	HOST SIGNAL NAME
1	I	Reset	Host Reset	21	O	HDRQ	DMA Request
2	-	GND		22	-	GND
3	I/O	HD7	Host Data Bus BIT 7	23	I	HWR-,STOP	Host I/O Write
4	I/O	HD8	Host Data Bus BIT 8	24	-	GND
5	I/O	HD6	Host Data Bus BIT 6	25	I	HRD-, HDMARDY- HSTROBE	Host I/O Read
6	I/O	HD9	Host Data Bus BIT 9	26	-	GND
7	I/O	HD5	Host Data Bus BIT 5	27	O	IORDY, DDMARDY- DSTROBE	I/O Channel Ready
8	I/O	HD10	Host Data Bus Bit 10	28	-	CSEL	Cable Select
9	I/O	HD4	Host Data Bus BIT 4	29	I	HDAK-	DMA Acknowledge
10	I/O	HD11	Host Data Bus BIT 11	30	-	GND
11	I/O	HD3	Host Data Bus BIT 3	31	O	INTRQ	Host Interrupt Request
12	I/O	HD12	Host Data Bus BIT 12	32	O	IOCS16-	Host 16 BIT I/O
13	I/O	HD2	Host Data Bus BIT 2	33	I	HA1	Host Address Bus BIT 1
14	I/O	HD13	Host Data Bus BIT 13	34	I/O	PDIAG-	Passed Diagnostics
15	I/O	HD1	Host Data Bus BIT 1	35	I	HA0	Host Address Bus BIT 0
16	I/O	HD14	Host Data Bus BIT 14	36	I	HA2	Host Address Bus BIT 2
17	I/O	HD0	Host Data Bus BIT 0	37	I	HCS1-	Host CHIP Select 0
18	I/O	HD15	Host Data Bus BIT 15	38	I	HCS3-	Host CHIP Select 1
19	-	GND		39	I/O	DASP-	Drive Active/Drive 1 Present
20	-	(KEYPIN)		40	-	GND